Book chapter
« Provision of Quality and Power of Incentive Schemes in regulated Industries »
Equilibrium Theory and Applications: Proceedings of the Sixth International Symposium in Economic Theory and Econometrics (Louvain, 1989), Volume in Honor of J. Drèze Claude d'Aspremont, William A. Barnett, Bernard Cornet, Jean J. Gabszewicz, and Andreu Mas-Colell (eds.), Cambridge University Press, chapter 8, 1991, pp. 161–193